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Xien sell a range for the marine industry. Majestic LCD televisions will operate between 10.9 and 15.5 volts. There appears to be a few brands that can definitely be run off a battery and these are marketed to the caravan and yachting market. An even wider variance is possible with flat or failing batteries a battery system being equalised to 15.5-16 volts etc. This is not the same as running it direct from a 12V solar system where the battery voltage can easily range from 11 to 15 volts. I say 'if' because they are designed to run off a 230V-12V regulated power supply. They are incredibly efficient if you can run them directly from 12V.
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Coles and a number of supermarkets are now selling 38 cm LCD televisions for under AUS$200.Īll the LCD televisions (at least up to 51 cm) actually work on a 12V power supply (from a 230V plug pack). The other great news is that they are getting cheaper as time goes on. I am not certain whether or not it would work off a modified square wave inverter as opposed to a battery quality sine wave inverter.įor small/medium size televisions, LCD is clearly the choice for those of you with limited power. The power pack for the NEC television is rated a 5 amps 12 volts DC. It could even operate outside of this range under certain fault conditions (eg a flat battery or say the television is running direct off the panels if the battery is disconnected.) Given the cost of an LCD television, I'd suggest is is better to be safe than sorry. The battery voltage on a solar system can typically range from 10.5 to 15 volts (for a so-called 12V system). However, I would not advise that you attempt to run any other brand direct off the battery unless the distributor/service centre for that brand television advises that it is okay. One brand, Majestic, is advertised as such, and the specifications advise that it will work between 10.9 and 15.5 volts. Interestingly, a lot of LCD televisions (including the NEC model above), work on an input of 12 volts. I recently checked the energy consumption of a 43cm (17") LCD wide screen television (NEC brand), and found that it used 53 watts when measured on the AC side. Another advantage is that they use about one third less energy than the same size CRT television.Ī 34 cm (14") Sony CRT television was measured to use 58 watts. LCD televisions have the advantage of taking up a lot less space.
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Plasma and LCD televisions are now standard and a LED TV set would be the 'new kid on the block'! The now old-fashioned television is referred to as a CRT (cathode ray tube). There is a wide variety of televisions on the market. Might be time to put a TV in the Christmas stocking. With the increasing value of our dollar, they reckon Christmas time will be an ideal time to buy imported electronics. Generally, these new televisions and computer monitors have ‘LED' type written on the glossy labels. Of the 21 seven and eight Star televisions listed at 19 are of the new LCD/LED type. The good news is that the newer LCD/LED type averaged 91.5 watts. The average plasma used 138 watts and the older style LCD/CCFL used 139.5 watts. The September issue of Choice magazine tested a couple of dozen 102 - 107cm televisions for picture quality as well as power consumption. You can sort the results by the number of Stars, manufacturers, etc. One of my favourite websites ( lists all TV's – if you go to TV's and click on the comprehensive data tab, you can see what each TV uses in run mode, on standby, per year etc. The Star label rates the TV from 1 to 10 stars and gives the expected power used per year assuming the TV is on for 10 hours a day (!). The good news for the consumer is that all new TVs imported into Australia should have a Star label. Increasing television efficiency is an important factor in reducing our carbon footprint (considering there are 18,000,000 TV's in Australia - 2,000,000 are sold annually). While LCD & plasma televisions are more efficient than the old style CRT type televisions, the total power used has not decreased because the screen size is increasing and more households are getting multiple televisions. I suspect that this portion is even higher in 'stand alone' home power systems since they would not be using air con, electric heating etc.
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Television uses some 9.5% of the energy used by the average Aussie home.